V-Lab
Ashika Global Securities Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
32.69%
1 Week
33.70%
1 Month
37.40%
Analysis last updated: Friday, September 11, 2026 at 07:37 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 8, 2013 to Sep 4, 2026Model Insight
With persistence 0.997, volatility shocks have a half-life of 258 trading days (~1.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Leverage: Negative returns increase volatility 117% more than positive returns
MF2-GARCH Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| mwindow | 126 | |
| αARCH | 0.0668 | 3.50*** |
| βGARCH | 0.8913 | 44.41*** |
| γleverage | 0.0782 | 3.57*** |
| λ₁tau intercept | 7.0564 | 1.44 |
| λ₂forecast adj. | 0.0000 | 0.00 |
| λ₃tau persistence | 0.8689 | 4.20*** |
0.997
Persistence258d
Half-lifeMF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 126 | |
α ARCH Response to squared shocks | 0.0668 | 3.50*** |
β GARCH Volatility persistence | 0.8913 | 44.41*** |
γ leverage Additional response to negative shocks | 0.0782 | 3.57*** |
λ₁ tau intercept Baseline long-term coefficient | 7.0564 | 1.44 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0000 | 0.00 |
λ₃ tau persistence Long-term factor persistence | 0.8689 | 4.20*** |
Persistence:
0.997
Half-life:
258 days
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